For which of the following reactions is AS° > 0.Choose all that apply.2NH3(g) + 3N2O(g) → 4N2(g) + 3H2O(g)2H2O(g) + 2Cl2(g) →4HCl(g) + O2(g)2NO(g) + O2(g) → 2NO2(g)NH4HS(s) → NH3(g) + H₂S(g)2NH3(g) + 202(g) → N₂O(g) + 3H2O(l)

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Answered: For which of the following reactions is…

Chemistry

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

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Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The standard reaction free energy AGO = − 1378. kJ for this reaction: 2 CH3OH(g) + 3O₂(g) →2 CO₂(g) + 4H₂O(g) Use this information to complete the table below. Round each of your answers to the nearest kJ. 2 4 ²-CH₂OH(g) + O₂(g) → ²-CO₂(g) + H₂O(g) 3 2 3 reaction 3 -- CO₂(g) + H₂O(g) + H₂O(g) → 2 2CO₂(g) + 4H₂O(g) 1 2 3 CH₂OH(g) + ²/0₂(g) 4 2 2CH₂OH(g) + 30₂ (8) 2 0 46° kJ KJ kJ x10 Ś
Chp 19 #28 & # 30
Which one of the following reactions cannot proceed spontaneously as written at any temperature? Assume that ΔH°rxn does not depend on temperature. A. 2Cl2O(g) → 2Cl2(g) + O2(g) ΔH°rxn = –151 kJ B. 3O2(g) → 2O3(g) ΔH°rxn = +284 kJ C. COCl2(g) → CO(g) + Cl2(g) ΔH°rxn = +112 kJ D. 2C(s) + 2S(s) + O2(g) → 2COS(g) ΔH°rxn = –137 kJ E. N2O4(g) → 2NO2(g) ΔH°rxn = +171 kJ
The change in standard free energy (i.e. ΔG°) for a particular reaction has a value of −43.1 kJ/mol at a temperature of 16.1 ℃. Calculate the equilibrium constant for this reaction. R = 8.314472 J/mol⋅K. Report your answer to THREE significant figures. Enter your answer in the appropriate boxes and remember a number such as 1.23 is 1.23 × 100 in scientific notation. Note: Your answer is assumed to be reduced to the highest power possible.
Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation values can be found in this list of thermodynamic properties. MgCl₂ (s) + H₂O(1) AH;xn= V → B MgO(s) + 2 HCl(g) MacBook Air H N M 1 9 DD $10 P m kJ
The standard enthalpy of formation of SnCl₂ (s) is - 340 kJ/mol and that for SnCl4 (s) is-511 kJ/mol. From these data, we can calculate that for the reaction SnCl₂ (s) + Cl₂ (g) →→SnCl4 (s), the value of AH O cannot be determined as AH, for Cl₂ (g) is not given. O equals - 851 kJ. O equals + 171 kJ. O equals - 171 kJ.
For which of the following reactions is AS° > 0. Choose all that apply. CH₂(g) + H₂O(g) → 3H₂(g) + CO(g) 2NO(g) + 2H₂(g) → N₂(g) + 2H₂O(l) 2NO(g) + O₂(g) → 2NO₂(g) 2CO₂(g) + N₂(g) → 2CO(g) + 2NO(g) ONH₂HS(s)→ NH3(g) + H₂S(g)
For which of the following reactions is S° > 0.
In which of the following reactions is ASº expected to be negative? O L(s)I(g) O 2NH;(g) → N(g) + 3H3(g) O 2H,0(g) → 2H,(g) + O>(g) O CH;OH(g) → CH;OH(I) O AS° is not expected to be negative for any of these.
Calculate the AH°, AS°, and AG° at 298 K for the following reaction: (Use the values found in Thermodynamic Properties to calculate your answers for questions a and b.) Al2O3(s) + 3 C(graphite) + 3 Cl₂(g) → 2 AICI 3(s) + 3 CO(g) 4.0 -64 a) ΔΗΟ kJ/mol b) AS° ✓ J/K.mol kJ/mol (Determine from the temperature, AH and AS) c) AGO 4.0 76.9 4.0 -89 (d) Is the reaction extensive at standard conditions and 298 K? O Yes O NO (e) Write the expression for K. (Format example: Kp = pHC12 / pH₂. pCl₂ would be entered as K_{p} = pHCI^{2}/pH_{2}. pCl_{2}.) Help chemPad XX (PCO)3 (pCl₂)³ ← Greek (PCO)^3/(pCl_2)^3 Your answer provides a different type of equation than was expected. (f) Calculate the value of K at 298 K 2.51e-16 X (Please answer to 3 significant figures.) (g) Estimate the value of K at 600 K. 1.79e-8 X (Please answer to 3 significant figures.)
Ammonia can be produced by the reaction of hydrogen gas and nitrogen gas, as shown below: N2(g) + 3H2(g) → 2NH3(g) Given that the standard free energy of formation of NH3 (g) is -104 kJ/mol at 298 K, calculate the equilibrium constant, K, at this temperature. To express an answer in exponential notation, use E to indicate the exponent. For example, 3.0 x 103 would be written, 3.0E3.
AS is positive for which of the following reactions

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For which of the following reactions is AS° > 0. Choose all that apply. 2NH3(g) + 3N2O(g) → 4N2(g) + 3H2O(g) 2H2O(g) + 2Cl2(g) →4HCl(g) + O2(g) 2NO(g) + O2(g) → 2NO2(g) NH4HS(s) → NH3(g) + H₂S(g) 2NH3(g) + 202(g) → N₂O(g) + 3H2O(l)